他看起来非常紧张
He looks very nervous
以上为机器翻译结果，长、整句建议使用 人工翻译 。
他看起来非常紧张。
He appeared very nervous.
youdao
他看起来很镇定，实际上却非常紧张。
He looked calm, but actually he was very nervous.
他看起来虽然很镇定，但实际上却非常紧张。
He looked calm, but actually he was nervous.
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